Question

What are enzymes? How do we use them?

Answer 1

Enzymes are the biocatalysts present in our body that alter the rate of reactions occuring in our body. There thousands of enzymes in our body,used for carrying out various metabolic processes in our body, like digestion. 

Answer 2

A substance produced by a living organism which acts as a catalyst .
Used for carrying out various  processes in our body.............